Home / 373,290.21-515,151.77-203,527.17

Finding the Fourth Proportional to 373,290.21, 515,151.77 and 203,527.17

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Solution

The fourth proportional to 373,290.21, 515,151.77 and 203,527.17 is: 280,873.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,290.21 : 515,151.77 = 203,527.17 : x
  2. Step 2: Convert to fraction form
    373,290.21/515,151.77 = 203,527.17/x
  3. Step 3: Cross multiply
    373,290.21x = 515,151.77 × 203,527.17
  4. Step 4: Simplify right side
    373,290.21x = 104,847,380,850.96
  5. Step 5: Solve for x
    x = 104,847,380,850.96/373,290.21
  6. Step 6: Final answer
    x = 280,873.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.